332354 + Interview Questions in Secondary School in Math

1.	On an average 1/10 of the food eaten is turned into oraganism's own body is available for the next level of the consumers in food chain. What fraction of food eaten is not available for the next user?
Answer» ANSWER: the AMOUNT not AVAILABLE is 10-1/10 =9/10

1.

On an average 1/10 of the food eaten is turned into oraganism's own body is available for the next level of the consumers in food chain. What fraction of food eaten is not available for the next user?

Answer»

ANSWER:

the AMOUNT not AVAILABLE is 10-1/10

=9/10

Discussion

2.	attend contains 20 litre of diesel due to leakage 5 litres of diesel is lost find the present diesel in the Tin
Answer» Answer: 15 LITRES are LEFT in the TANK

2.

attend contains 20 litre of diesel due to leakage 5 litres of diesel is lost find the present diesel in the Tin

Answer»

Answer:

15 LITRES are LEFT in the TANK

Discussion

3.	1. If 20% unit of 220 units are rejected,find the no. of rejected and agreed units.2. The reading of an Ammeter is 4.65 ampere. If correct reading is 4.5 ampere, find out the % of error.
Answer» Answer: 1. 44 UNITS are rejected. 2. QUESTION very HARD. Not of my LEVEL

3.

1. If 20% unit of 220 units are rejected,find the no. of rejected and agreed units.2. The reading of an Ammeter is 4.65 ampere. If correct reading is 4.5 ampere, find out the % of error.

Answer»

Answer:

1. 44 UNITS are rejected.

2. QUESTION very HARD. Not of my LEVEL

Discussion

4.	in a 1500 m race A wins over by B 350m and in 1500m race C can give a startup of 250m to B. By how much distance A give start up to C ,so that A beats C by 50m?
Answer» Answer: n a race of 1200m, A can beat B by 120m => When A runs 1200 m, B runs (1200-120)= 1080 m ---(1) In race of 500m, B can beat C by 100m => When B runs 500 m, B runs (500-100)= 400 m ---(2) Now we NEED to FIND out the distance C run when A run 800 m From (1), when A runs 800 m, distance covered by B = 1080 × 800 1200 = 720 m From (2), when B runs 720 m, distance covered by C = 400 × 720 500 = 576 m i.e., When A runs 800 m, C runs 576 m Therefore, in 800 m race, A beat C by (800-576)=224 m your QUESTION is similar to this answer.. just check it out

4.

in a 1500 m race A wins over by B 350m and in 1500m race C can give a startup of 250m to B. By how much distance A give start up to C ,so that A beats C by 50m?

Answer»

Answer:

n a race of 1200m, A can beat B by 120m

=> When A runs 1200 m, B runs (1200-120)= 1080 m ---(1)

In race of 500m, B can beat C by 100m

=> When B runs 500 m, B runs (500-100)= 400 m ---(2)

Now we NEED to FIND out the distance C run when A run 800 m

From (1), when A runs 800 m, distance covered by B

=

1080

×

800

1200

=

720

m

From (2), when B runs 720 m, distance covered by C

=

400

×

720

500

=

576

m

i.e., When A runs 800 m, C runs 576 m

Therefore, in 800 m race, A beat C by (800-576)=224 m

your QUESTION is similar to this answer.. just check it out

Discussion

5.	⁴√³√2² find the value.
Answer» ANSWER: (2)^1/6 or SIXTH ROOT over 2 Step-by-step EXPLANATION: = [{(2)^2}^1/3]^1/4 = (2)^(2×1/3*1/4) = (2)^(1/6) = sixth root over 2 or 2^1/6

5.

⁴√³√2² find the value.

Answer»

ANSWER: (2)^1/6 or SIXTH ROOT over 2

Step-by-step EXPLANATION:

= [{(2)^2}^1/3]^1/4

= (2)^(2×1/3*1/4)

= (2)^(1/6)

= sixth root over 2 or 2^1/6

Discussion

6.	Don't write the answer if not knowing it
Answer» The VALUE of A and B is DIRECTLY GIVEN by me is A =45 and B=15

6.

Don't write the answer if not knowing it

Answer»

The VALUE of A and B is DIRECTLY GIVEN by me is A =45 and B=15

Discussion

7.	(2^-4 × 15^-3 × 625 )÷(5^-2 × 10^-4)simplify using laws of exponent
Answer» Step-by-step EXPLANATION: FIRST PICTURE is on LEFT SIDE

7.

(2^-4 × 15^-3 × 625 )÷(5^-2 × 10^-4)simplify using laws of exponent

Answer»

Step-by-step EXPLANATION:

FIRST PICTURE is on LEFT SIDE

Discussion

8.	Maza aavadta Khel khO.kho Marathi
Answer» ANSWER: PLEASE MARK as brainlist☺️☺️☺️☺️ Step-by-step EXPLANATION: खो-खो हा एक भारतीय मैदानी खेळ असून ह्या खेळासाठी मैदानाच्या दोन टोकांना रोवलेले खांब सोडल्यास कोणत्याही साधनांची आवश्यकता नसते. हा खेळ खेळण्यासाठी अतिशय सोपा आहे आणि लोकप्रियही आहे; तरीही हा खेळ गतिमान असल्यामुळे ह्या खेळात चपळतेचा, गतीचा कस लागतो व हा खेळ उत्कंठावर्धक होतो.खो खो हा पाठशिवणी ह्या प्रकारातला खेळ आहे. हा खेळ प्रत्येकी १२ खेळाडू असलेल्या दोन संघांत खेळतात. मैदानात मात्र प्रत्येक संघाचे ९च खेळाडू उतरतात. प्रतिस्पर्धी संघाच्या खेळाडूंना आपल्याला शिवू न देणे असा यात मुख्य प्रयत्न असतो. भारतीय उपखंडातले दोन पारंपरिक आणि लोकप्रिय पाठशिवणी खेळ म्हणजे खो खो व कबड्डी. दक्षिण आशिया (मुख्यत: भारत व पाकिस्तान) शिवाय हा खेळ दक्षिण आफ्रिकेतही खेळला जातो.खो-खोची सुरुवात नेमकी कधी झाली हे कळणे कठीण आहे. खो खो या खेळाचा उगम महाराष्ट्राच्या या मातीतच खऱ्या अर्थाने झाला. पकडापकडीच्या खेळातून उत्क्रांती होत ह्या खेळाचा जन्म झाला असावा. विसाव्या शतकाच्या सुरुवातीला ह्या खेळात सुसूत्रता आणण्यास सुरुवात झाली. १९१४ साली पुणे जिमखाना येथे खो-खोचे नियम बनवण्यासाठी एका समितीची स्थापना झाली. १९२४ साली बडोदा जिमखान्याने खो-खोची नियमावली प्रसिद्ध केली. १९५९-६० साली भारत सरकारने आंध्रप्रदेशातील विजयवाडा येथे खो-खोची पहिली राष्ट्रीय स्पर्धा आयोजित केली. खो-खोच्या प्रतिभावंत खेळाडूंना भारत सरकारकडून पुढील पुरस्कार मिळतात.

8.

Maza aavadta Khel khO.kho Marathi

Answer»

ANSWER:

PLEASE MARK as brainlist☺️☺️☺️☺️

Step-by-step EXPLANATION:

खो-खो हा एक भारतीय मैदानी खेळ असून ह्या खेळासाठी मैदानाच्या दोन टोकांना रोवलेले खांब सोडल्यास कोणत्याही साधनांची आवश्यकता नसते. हा खेळ खेळण्यासाठी अतिशय सोपा आहे आणि लोकप्रियही आहे; तरीही हा खेळ गतिमान असल्यामुळे ह्या खेळात चपळतेचा, गतीचा कस लागतो व हा खेळ उत्कंठावर्धक होतो.खो खो हा पाठशिवणी ह्या प्रकारातला खेळ आहे. हा खेळ प्रत्येकी १२ खेळाडू असलेल्या दोन संघांत खेळतात. मैदानात मात्र प्रत्येक संघाचे ९च खेळाडू उतरतात. प्रतिस्पर्धी संघाच्या खेळाडूंना आपल्याला शिवू न देणे असा यात मुख्य प्रयत्न असतो. भारतीय उपखंडातले दोन पारंपरिक आणि लोकप्रिय पाठशिवणी खेळ म्हणजे खो खो व कबड्डी. दक्षिण आशिया (मुख्यत: भारत व पाकिस्तान) शिवाय हा खेळ दक्षिण आफ्रिकेतही खेळला जातो.खो-खोची सुरुवात नेमकी कधी झाली हे कळणे कठीण आहे. खो खो या खेळाचा उगम महाराष्ट्राच्या या मातीतच खऱ्या अर्थाने झाला. पकडापकडीच्या खेळातून उत्क्रांती होत ह्या खेळाचा जन्म झाला असावा. विसाव्या शतकाच्या सुरुवातीला ह्या खेळात सुसूत्रता आणण्यास सुरुवात झाली. १९१४ साली पुणे जिमखाना येथे खो-खोचे नियम बनवण्यासाठी एका समितीची स्थापना झाली. १९२४ साली बडोदा जिमखान्याने खो-खोची नियमावली प्रसिद्ध केली. १९५९-६० साली भारत सरकारने आंध्रप्रदेशातील विजयवाडा येथे खो-खोची पहिली राष्ट्रीय स्पर्धा आयोजित केली. खो-खोच्या प्रतिभावंत खेळाडूंना भारत सरकारकडून पुढील पुरस्कार मिळतात.

Discussion

9.	Draw an angle of 80' and make a copy of it using ruler and compass
Answer» Answer: It is very SIMPLE just see below Step-by-step explanation: first take a ruler and draw a line then take 90 DEGREE bisect in to 9 parts take the 8TH PART and hence over

9.

Draw an angle of 80' and make a copy of it using ruler and compass

Answer»

Answer:

It is very SIMPLE just see below

Step-by-step explanation:

first take a ruler and draw a line
then take 90 DEGREE bisect in to 9 parts take the 8TH PART and hence over

Discussion

10.	Limit x tends to 0 x cosex x
Answer» ANSWER: LIMIT x_0 COSEC x limit x_0 1/cosx 1/1 1 Step-by-step EXPLANATION:

10.

Limit x tends to 0 x cosex x

Answer»

ANSWER:

LIMIT x_0 COSEC x

limit x_0 1/cosx

1/1

1

Step-by-step EXPLANATION:

Discussion

11.	Can you do this ? I think so you can't do this
Answer» ANSWER: YES I can Step-by-step EXPLANATION: CAUSE I can

11.

Can you do this ? I think so you can't do this

Answer»

ANSWER: YES I can

Step-by-step EXPLANATION: CAUSE I can

Discussion

12.	A peacock is sitting on the tree and observes its prey on the ground .It makes an angle of depression of 22°to catch the prey. the speed of the peacock was 10km/hr and it catches the prey in 1min 12seconds.At 2hat heught was the peacock on the tree?
Answer» solution \frac{distance}{time}=speed time distance =speed \therefore AB=300\frac{m}{min}\times 12 seconds∴AB=300 min m ×12seconds \frac{300}{60}\times 12 60 300 ×12 AB = 60 m. Now, tan30^{\circ}=\frac{H}{AB}tan30 ∘ = AB h \therefore height (h)=TAN(30^{\circ})\times AB∴height(h)=tan(30 ∘ )×AB \frac{1}{\sqrt{3}}\times 60=\frac{60}{\sqrt{3}}metere. 3 1 ×60= 3 60 metere. = 34.64 m

12.

A peacock is sitting on the tree and observes its prey on the ground .It makes an angle of depression of 22°to catch the prey. the speed of the peacock was 10km/hr and it catches the prey in 1min 12seconds.At 2hat heught was the peacock on the tree?

Answer»

solution

\frac{distance}{time}=speed

time

distance

=speed

\therefore AB=300\frac{m}{min}\times 12 seconds∴AB=300

min

m

×12seconds

\frac{300}{60}\times 12

60

300

×12

AB = 60 m.

Now,

tan30^{\circ}=\frac{H}{AB}tan30

∘

=

AB

h

\therefore height (h)=TAN(30^{\circ})\times AB∴height(h)=tan(30

∘

)×AB

\frac{1}{\sqrt{3}}\times 60=\frac{60}{\sqrt{3}}metere.

3

1

×60=

3

60

metere.

= 34.64 m

Discussion

13.	If a = 14 - 6√5, find the value of √a + (1/√a)
Answer» Answer: 14-65 + (1/14-6*5) =

13.

If a = 14 - 6√5, find the value of √a + (1/√a)

Answer»

Answer:

14-6*5 + (1/*14-6*5) =

Discussion

14.	Ramesh made profit of Rs 4500 after investing rupees 80000 Salim made a profit of 8100 investing rupees 1,44,000 in his business which of them has a better profit ratio with respect to their investment?
Answer» Answer: Both's TRANSACTION was EQUALLY profitable. Step-by-step explanation: Ramesh MADE a profit of 5.625% . Salim ALSO made a profit of 5.625%. Therefore, boths transaction was equally profitable.

14.

Ramesh made profit of Rs 4500 after investing rupees 80000 Salim made a profit of 8100 investing rupees 1,44,000 in his business which of them has a better profit ratio with respect to their investment?

Answer»

Answer:

Both's TRANSACTION was EQUALLY profitable.

Step-by-step explanation:

Ramesh MADE a profit of 5.625% . Salim ALSO made a profit of 5.625%. Therefore, boths transaction was equally profitable.

Discussion

15.	(X:X is a living thing)If u dont ans this i will report Your ans
Answer» Answer: YES X:X is a living thing.. As it can response to STIMULI and is affected by the environmental FACTORS.. Hope u GOT ur answer.............. XD

15.

(X:X is a living thing)If u dont ans this i will report Your ans

Answer»

Answer:

YES X:X is a living thing.. As it can response to STIMULI and is affected by the environmental FACTORS.. Hope u GOT ur answer.............. XD

Discussion

16.	Area=????,Hight=15,B=18
Answer» ANSWER: 270 Step-by-step EXPLANATION:

16.

Area=????,Hight=15,B=18

Answer»

ANSWER: 270

Step-by-step EXPLANATION:

Discussion

17.	2. Fill in the boxes with numbers in such a way that the sum of the numbers in each row and column is 34.
Answer» Answer: 16. 3. 2. 13 5. 10 11. 8 9. 6. 7 12 4. 15. 11. 1

17.

2. Fill in the boxes with numbers in such a way that the sum of the numbers in each row and column is 34.

Answer»

Answer:

16. 3. 2. 13

5. 10 11. 8

9. 6. 7 12

4. 15. 11. 1

Discussion

18.	If q(x) =x²/2 +x/2+ 2 , then find q(-2)POLYNOMIALS
Answer» The VALUE of P(-2) is 3

Discussion

19.	the mean of the data by step deviation method is 1896 value of g if summation fiui = 66 ; summation do = 100; and A = 1500
Answer» ANSWER: then the VALUE of G is -395.34

19.

the mean of the data by step deviation method is 1896 value of g if summation fiui = 66 ; summation do = 100; and A = 1500

Answer»

ANSWER:

then the VALUE of G is -395.34

Discussion

20.	Please prove this in paper and send please
Answer» CHECK the ATTACHMENT.

Discussion

21.	Draw a circle of radius 4 cm and centre o . Draw the perpendicular from the centre oto the chond AB
Answer» Step-by-step EXPLANATION: I HOPE THAT'S HELPS YOU!

21.

Draw a circle of radius 4 cm and centre o . Draw the perpendicular from the centre oto the chond AB

Answer»

Step-by-step EXPLANATION:

I HOPE THAT'S HELPS YOU!

Discussion

22.	If principle = 1,00,000 , rate of interest is 10% compounded half yearly. Find amount after 6 months
Answer» Step-by-step EXPLANATION: a = prt/100 a= 100000 × 10 × 6 ÷ 100

22.

If principle = 1,00,000 , rate of interest is 10% compounded half yearly. Find amount after 6 months

Answer»

Step-by-step EXPLANATION:

a = prt/100

a= 100000 × 10 × 6 ÷ 100

Discussion

23.	Sangeeta and Ayesha togetherclothing. They decided tand her share of profit wasThey decided to share the profit according to their respective inmoney and started a fashion design storeshare of profit was 3000. If the total profit was 7500, what wasamesh made a profit of 4500 after invertin. Inn design store for children'sespective investments. Ayesha invested < 9000J, what was the investment of Sangeeta?12 investing * 1,44,000r* 8100 investing
Answer» Answer: hinging khuja pain and just wanted a few weeks until the next week and a COUPLE weeks ago and it will be in a few days to see what you think about how to use them that their own and that would be the same time the end he is in a wjghile r not sure we can then sbjdgend me the end that he has ever seen a few months EE ERROR occurred while PROCESSING of my life and that I can do it is the REASON fors Step-by-step explanation: there is no longer in the past two days months and we are going on here and u enroll my own personal email and that is a great durg entrusting us to be a good idea to get the BEST of luck in your area and the other day I have a great time with your phone number is a good time to get the same time as I have a great day and I will be in the morning and I will be in the

23.

Sangeeta and Ayesha togetherclothing. They decided tand her share of profit wasThey decided to share the profit according to their respective inmoney and started a fashion design storeshare of profit was 3000. If the total profit was 7500, what wasamesh made a profit of 4500 after invertin. Inn design store for children'sespective investments. Ayesha invested < 9000J, what was the investment of Sangeeta?12 investing * 1,44,000r* 8100 investing

Answer»

Answer:

hinging khuja pain and just wanted a few weeks until the next week and a COUPLE weeks ago and it will be in a few days to see what you think about how to use them that their own and that would be the same time the end he is in a wjghile r not sure we can then sbjdgend me the end that he has ever seen a few months EE ERROR occurred while PROCESSING of my life and that I can do it is the REASON fors

Step-by-step explanation:

there is no longer in the past two days months and we are going on here and u enroll my own personal email and that is a great durg entrusting us to be a good idea to get the BEST of luck in your area and the other day I have a great time with your phone number is a good time to get the same time as I have a great day and I will be in the morning and I will be in the

Discussion

24.	3+jk+k 33, plus, j, k, plus, k, cubed when j=2j=2j, equals, 2 and k=6k=6k, equals, 6.
Answer» Answer: 3+2×6+6 3+12+6 3+18 21

24.

3+jk+k 33, plus, j, k, plus, k, cubed when j=2j=2j, equals, 2 and k=6k=6k, equals, 6.

Answer»

Answer:

3+2×6+6

3+12+6

3+18

21

Discussion

25.	The digit of a 2 digit number . Differ by 3. If the digits are interchanged, and the resulting number is added to the original number, we get 143, what can be the original number.
Answer» Answer: 83 Step-by-step EXPLANATION: let the ONES digit=X and tens digit=y according to question digit difference means y-x=3. y=3+X now original NUMBER=10y+X number obtained by reversing the digits=10x+y...........(1) on adding these TWO numbers means the original and reversed number 10y+X+10x+y=143. (it is given in question) 11x+11y=143 ...........(2) now on substituting the value of y 11x+11(3+X)=143 11x+33+11x=143 22x+33=143 22x=143-33 22x=110 X=110/22 X=5 now putting the value of X in eq (1) y=3+X y=3+5 y=8 so the number obtained is 10*8+3=80+3=83

25.

The digit of a 2 digit number . Differ by 3. If the digits are interchanged, and the resulting number is added to the original number, we get 143, what can be the original number.

Answer»

Answer:

83

Step-by-step EXPLANATION:

let the ONES digit=X

and tens digit=y

according to question digit difference means

y-x=3. y=3+X

now original NUMBER=10y+X

number obtained by reversing the digits=10x+y...........(1)

on adding these TWO numbers means the original and reversed number

10y+X+10x+y=143. (it is given in question)

11x+11y=143 ...........(2)

now on substituting the value of y

11x+11(3+X)=143

11x+33+11x=143

22x+33=143

22x=143-33

22x=110

X=110/22

X=5

now putting the value of X in eq (1)

y=3+X

y=3+5

y=8

so the number obtained is 10*8+3=80+3=83

Discussion

26.	In the following ways find area of the shaded region
Answer» ANSWER: it is a RECTANGLE. so AR of SHADED REGION is 1/2×6×10 ie 30cm^2

26.

In the following ways find area of the shaded region

Answer»

ANSWER:

it is a RECTANGLE. so AR of SHADED REGION is

1/2×6×10

ie 30cm^2

Discussion

27.	. Using the following datathe Paasche's formula for index is: (a) 125.38(b) 147.25(c) 129.8(d) None of these
Answer» Answer: Using the following data the Paasche's formula for INDEX is: (a) 125.38 (b) 147.25✔ (c) 129.8 (d) None of these Step-by-step explanation: PI,0 is the price of the individual item at the base PERIOD and Pi,t is the price of the individual item at the observation period. QI,t is the QUANTITY of the individual item at the observation period.

27.

. Using the following datathe Paasche's formula for index is: (a) 125.38(b) 147.25(c) 129.8(d) None of these

Answer»

Answer:

Using the following data

the Paasche's formula for INDEX is:

(a) 125.38

(b) 147.25✔

(c) 129.8

(d) None of these

Step-by-step explanation:

PI,0 is the price of the individual item at the base PERIOD and Pi,t is the price of the individual item at the observation period. QI,t is the QUANTITY of the individual item at the observation period.

Discussion

28.	Sinatrosa21cosec A-cota-1Sec Attars-)
Answer» ANSWER: I don't KNOW,sorrysorry

28.

Sinatrosa21cosec A-cota-1Sec Attars-)

Answer»

ANSWER:

I don't KNOW,sorrysorry

Discussion

29.	Area =100,Hight=16,B=????
Answer» ANSWER: AREA = h X b 100= 16 x b b = 25/4

29.

Area =100,Hight=16,B=????

Answer»

ANSWER:

AREA = h X b

100= 16 x b

b = 25/4

Discussion

30.	A =45°,B=30°then SHOW THAT sin A/cosA+sinA.sinB
Answer» ANSWER: Step-by-step EXPLANATION:

30.

A =45°,B=30°then SHOW THAT sin A/cosA+sinA.sinB

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

31.	4 2 7 1 4 =18 starting on the left,use each symbol once to get to the answer + - × ÷
Answer» The CORRECT ANSWER is :- 4-2x7/1+4 =18

31.

4 2 7 1 4 =18 starting on the left,use each symbol once to get to the answer + - × ÷

Answer»

The CORRECT ANSWER is :-

4-2x7/1+4

=18

Discussion

32.	If 3 sin theta is equals to 4 cos theta then find the value of tan theta
Answer» 3sinФ - 4cosФ=0 3sinФ=4cosФ ⇒ sinФ/cosФ=4/3 ⇒ tanФ=4/3 ⇒ tanФ=4/3

32.

If 3 sin theta is equals to 4 cos theta then find the value of tan theta

Answer»

3sinФ - 4cosФ=0

3sinФ=4cosФ

⇒ sinФ/cosФ=4/3

⇒ tanФ=4/3

Discussion

33.	solve the equation - Mahima's mother is 42 years old. If her mother is 7 times older as Mahima. Find her age
Answer» Answer:6 Step-by-step explanation:42/7=6

33.

solve the equation - Mahima's mother is 42 years old. If her mother is 7 times older as Mahima. Find her age

Answer»

Answer:6

Step-by-step explanation:42/7=6

Discussion

34.	2. Find the circumference of each of the circles with the following radius :a) 10cmb) 2.7cmc) 1.2mmd) 9.01cmOpen For All !!!!! :-) Good Luck ;-)
Answer» ANSWER: THNX for 6 POINTS......

34.

2. Find the circumference of each of the circles with the following radius :a) 10cmb) 2.7cmc) 1.2mmd) 9.01cmOpen For All !!!!! :-) Good Luck ;-)

Answer»

ANSWER:

THNX for 6 POINTS......

Discussion

35.	Construct an isosceles right angle abc where ABC go and ac 6 centimetre
Answer» ANSWER: uididiidej Step-by-step EXPLANATION: odjdhejeiu

35.

Construct an isosceles right angle abc where ABC go and ac 6 centimetre

Answer»

ANSWER:

uididiidej

Step-by-step EXPLANATION:

odjdhejeiu

Discussion

36.	Multiply(p^2-7)(p+7)+49
Answer» ANSWER: YET NAHI answer yache harsjfd

36.

Multiply(p^2-7)(p+7)+49

Answer»

ANSWER:

YET NAHI answer yache harsjfd

Discussion

37.	Project Time1. What would happen if the Sun, Moon and stars suddenlydisappeared from the sky?2. Add one more element to the sky.• Would you add it to the day sky or night sky?• What would you call it?• How would it look? Draw it here.
Answer» Step-by-step explanation: GO and see the VIDEO of facttechz on YOUTUBE

37.

Project Time1. What would happen if the Sun, Moon and stars suddenlydisappeared from the sky?2. Add one more element to the sky.• Would you add it to the day sky or night sky?• What would you call it?• How would it look? Draw it here.

Answer»

Step-by-step explanation:

GO and see the VIDEO of facttechz on YOUTUBE

Discussion

38.	The interior angles of a hexagon form an arithmetic sequence. The largest angle is 130. Determine the sequence formed by angles of the hexagon
Answer» ANSWER: Blab Step-by-step EXPLANATION:

38.

The interior angles of a hexagon form an arithmetic sequence. The largest angle is 130. Determine the sequence formed by angles of the hexagon

Answer»

ANSWER:

Blab

Step-by-step EXPLANATION:

Discussion

39.	Please answer the ticked question pleaseZeros of polynomial
Answer» ANSWER: by APPLYING algebraic method (x+3) (x-3) apply (a+b) (a-b) formula xsquare + 9 NEXT long division by given equation and FACTORIZE u will get other ZEROES of polynomial

39.

Please answer the ticked question pleaseZeros of polynomial

Answer»

ANSWER:

by APPLYING algebraic method

(x+3) (x-3)

apply (a+b) (a-b) formula

xsquare + 9

NEXT long division by given equation and FACTORIZE u will get other ZEROES of polynomial

Discussion

40.	Find the equations of line whose m=2 which passes through point (1,3)
Answer» Step-by-step EXPLANATION: y-3=2(x-1) y-2x=1 MARK BRAINLIEST.

40.

Find the equations of line whose m=2 which passes through point (1,3)

Answer»

Step-by-step EXPLANATION:

y-3=2(x-1)

y-2x=1

MARK BRAINLIEST.

Discussion

41.	Form an equation - seven times a number is forty two
Answer» Step-by-step EXPLANATION: let the number be ' x ' then ACCORDING to the question 7x = 42 x= 42/7 = 6

41.

Form an equation - seven times a number is forty two

Answer»

Step-by-step EXPLANATION:

let the number be ' x '

then ACCORDING to the question

7x = 42

x= 42/7 = 6

Discussion

42.	1) if x = (5 + 2 √6), then show that √x+1/√x=2√3
Answer» ANSWER: here is your answer HOPE it will HELP you.......

42.

1) if x = (5 + 2 √6), then show that √x+1/√x=2√3

Answer»

ANSWER:

here is your answer

HOPE it will HELP you.......

Discussion

43.	Parallel sides AD and BC.The area of a trapezium is 540 cm. If its parallel sides are in the ratio 7:5 and the distance between them is18 cm, find the lengths of the parallel sides.
Answer» ANSWER: AR. of trapezium = 1/2 × H ×(a+b) 1/2 × 18 (7a+5a) = 540 cm × cm 12a = 540 ×18/2 a = 60/12 a = 5 7a = 35 cm 5a = 25 cm

43.

Parallel sides AD and BC.The area of a trapezium is 540 cm. If its parallel sides are in the ratio 7:5 and the distance between them is18 cm, find the lengths of the parallel sides.

Answer»

ANSWER:

AR. of trapezium = 1/2 × H ×(a+b)

1/2 × 18 (7a+5a) = 540 cm × cm

12a = 540 ×18/2

a = 60/12

a = 5

7a = 35 cm

5a = 25 cm

Discussion

44.	Subtract 39 from(-40)
Answer» ANSWER: *The* *answer* is -79 Step-by-step EXPLANATION: (-40**) - 39 = -79

44.

Subtract 39 from(-40)

Answer»

ANSWER:

The *answer*** is -79

Step-by-step EXPLANATION:

(-40) - 39 = -79

Discussion

45.	If (x²+y²)÷2xy=-1, prove that (x+y)²=0
Answer» ANSWER: which CLASS of MATHS is this?

45.

If (x²+y²)÷2xy=-1, prove that (x+y)²=0

Answer»

ANSWER:

which CLASS of MATHS is this?

Discussion

46.	Sintheta+tan²theta=sec ²
Answer» $Sin\theta + tan^2\theta = sec^2\theta$ $Sin\theta=sec^2\theta-tan^2\theta$ $Sin\theta = 1$ $Sin\theta = Sin(90)$ $\theta = 90^o$

46.

Sintheta+tan²theta=sec ²

Answer»

$Sin\theta + tan^2\theta = sec^2\theta$

$Sin\theta=sec^2\theta-tan^2\theta$

$Sin\theta = 1$

$Sin\theta = Sin(90)$

$\theta = 90^o$

Discussion

47.	2x^2+x-1/5 =0 formula method
Answer» Step-by-step explanation: 10x²+5x-1=0 It is in the FORM ax²+bx+c=0 Here a=10 b=5 c=-1 X=-b+/-√b²-4ac/2a =-5+/-√25+40/20 =-5+/-√/15/20 X=-5+√15/20 or X=-5-√15/20

47.

2x^2+x-1/5 =0 formula method

Answer»

Step-by-step explanation:

10x²+5x-1=0

It is in the FORM ax²+bx+c=0

Here a=10 b=5 c=-1

X=-b+/-√b²-4ac/2a

=-5+/-√25+40/20

=-5+/-√/15/20

X=-5+√15/20

or

X=-5-√15/20

Discussion

48.	How many of you can solve this?2 7 1 4 = 18Starting on the left, use eachsymbol once to get to the answer+ - × ÷
Answer» ANSWER: 2×7+5-1 is the answer for this QUESTION

48.

How many of you can solve this?2 7 1 4 = 18Starting on the left, use eachsymbol once to get to the answer+ - × ÷

Answer»

ANSWER:

2×7+5-1 is the answer for this QUESTION

Discussion

49.	Expand as a single log 1÷3 log x-8÷5logy+7÷2 log z
Answer» jdjjdjdjejjsndnnsjnsnsjsjnsshhdndkdmdnjsbsnjdjwjkwo

Discussion

50.	2 men and 3 boys together can do a piece of workin 8 days. The same work is done in 6 days by3 men and 2 boys together. How long would 1 boyalone and 1 man alone take to complete the workindependently?(1) 40 days, 120 days(2) 120 days, 40 days(3) 20 days, 120 days(4) 120 days, 20 days
Answer» Answer: 20 DAY, 120 days Step-by-step explanation: Let the no. of days taken by men be 'x' and thatby boys be 'y'. According to the conditions given, the eq can be written as FOLLOWS... 2/x + 3/y = 1/8. 3/x +2/y = 1/6. Substitute 1/x = a and 1/y = b therefore, 2a+3b = 1/8. ... (1) 3a+4b = 1/6. ....(2) Since we NEED the denominator as 1 So multiply eq. 1 by 8 and eq. 2 by 6 this way we get the following eqs. 16a + 24b = 1. ...(3) 18a + 12b = 1. ...(4) Subtract eq.3 and 4, 16a + 24b = 1 - 18a + 12b = 1 -2a +12b = 0 2a = 12b a = 6b. ...(5) Substitute eq. 5 in eq.3 16(6b) + 24b = 1 96b + 24b = 1 120b = 1 b = 1/120 substitute the VALUE of b in eq. 4 18a + 12 × 1 /120 = 1 18a + 1 / 10 = 1 18a = 1 - 1/ 10 18a = 9/10 a = 9/10 × 1/18 a = 1/10 × 1/2 a = 1/20 Let's replace the VALUES of a and b a = 1/20 = 1/x therefore, x = 20 b = 1/120 = 1/y therefore, y = 120.

50.

2 men and 3 boys together can do a piece of workin 8 days. The same work is done in 6 days by3 men and 2 boys together. How long would 1 boyalone and 1 man alone take to complete the workindependently?(1) 40 days, 120 days(2) 120 days, 40 days(3) 20 days, 120 days(4) 120 days, 20 days

Answer»

Answer:

20 DAY, 120 days

Step-by-step explanation:

Let the no. of days taken by men be 'x' and thatby boys be 'y'.

According to the conditions given,

the eq can be written as FOLLOWS...

2/x + 3/y = 1/8.

3/x +2/y = 1/6.

Substitute 1/x = a and

1/y = b

therefore,

2a+3b = 1/8. ... (1)

3a+4b = 1/6. ....(2)

Since we NEED the denominator as 1

So multiply eq. 1 by 8 and eq. 2 by 6

this way we get the following eqs.

16a + 24b = 1. ...(3)

18a + 12b = 1. ...(4)

Subtract eq.3 and 4,

16a + 24b = 1

- 18a + 12b = 1

-2a +12b = 0

2a = 12b

a = 6b. ...(5)

Substitute eq. 5 in eq.3

16(6b) + 24b = 1

96b + 24b = 1

120b = 1

b = 1/120

substitute the VALUE of b in eq. 4

18a + 12 × 1 /120 = 1

18a + 1 / 10 = 1

18a = 1 - 1/ 10

18a = 9/10

a = 9/10 × 1/18

a = 1/10 × 1/2

a = 1/20

Let's replace the VALUES of a and b

a = 1/20 = 1/x

therefore, x = 20

b = 1/120 = 1/y

therefore, y = 120.

Discussion

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